Playing with sound ... Simple 3d printed acoustic resonator for a piezo disc
Beau Schwabe
Posts: 6,557
Playing with sound ... A simple 3-D printed closed end resonator can increase the gain by about 4.1dB. The length of the resonator determines the fundamental frequency, while the diameter determines the harmonics or overtone you can run the peizo at. With a closed end resonator only odd harmonics can be used.
PDF design observations:
http://bscircuitdesigns.com/PDF%27s/resonator.pdf
Length calculator Reference:
http://hyperphysics.phy-astr.gsu.edu/hbase/waves/clocol.html
PDF design observations:
http://bscircuitdesigns.com/PDF%27s/resonator.pdf
Length calculator Reference:
http://hyperphysics.phy-astr.gsu.edu/hbase/waves/clocol.html